Test your calculation skills!
Can you clear level 99?

The rules are simple: you just need to choose one of the four given solutions.
Answer as many questions as you can within the time limit to achieve high scores.
Earn bonus points by answering quickly.
Watch out! If you make a mistake, the remaining time will decrease.
After a certain amount of points has been gained, you will get to the next level.

As you get to the higher levels, the questions become more difficult.


You can check in which level your friends are playing by logging in Facebook.
It would be a lot of fun to compete for scores against your friends as well.



* The calculation difficulty is about elementary and middle school levels.

* The game itself is completely free of charge.
However you can buy items that give you advantage of the game through in-app purchase.
For example, you can buy items to recover energy, extend time limit or reduce to 3 solutions.
Please note that those items are paid features.